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//! Helpers for building the command-line arguments for commands.
pub use clap::{arg, Arg, ArgMatches, Command};
use std::path::PathBuf;
pub trait CommandExt: Sized {
fn _arg(self, arg: Arg) -> Self;
fn arg_dest_dir(self) -> Self {
self._arg(
Arg::new("dest-dir")
.short('d')
.long("dest-dir")
.value_name("dest-dir")
.value_parser(clap::value_parser!(PathBuf))
.help(
"Output directory for the book\n\
Relative paths are interpreted relative to the book's root directory.\n\
If omitted, mdBook uses build.build-dir from book.toml \
or defaults to `./book`.",
),
)
}
fn arg_root_dir(self) -> Self {
self._arg(
Arg::new("dir")
.help(
"Root directory for the book\n\
(Defaults to the current directory when omitted)",
)
.value_parser(clap::value_parser!(PathBuf)),
)
}
fn arg_open(self) -> Self {
self._arg(arg!(-o --open "Opens the compiled book in a web browser"))
}
}
impl CommandExt for Command {
fn _arg(self, arg: Arg) -> Self {
self.arg(arg)
}
}
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